Melania Trump is keeping a “tight bubble” at her Mar-a-Lago home as she works to reportedly shield Barron, the 18-year-old son she shares with Donald Trump, from the political turmoil surrounding their family, RadarOnline.com has learned. The former First Lady, 54, has maintained a low profile since her husband’s presidency ended in 2021. With the family patriarch now campaigning for a return to the Oval Office while also embroiled in various legal cases, Melania has allegedly been focused on the welfare of her only child. Sources close to the Trumps spoke to Daily Mailon Wednesday and shared …